245405230543 has 8 divisors (see below), whose sum is σ = 269193886416. Its totient is φ = 221863089600.

The previous prime is 245405230519. The next prime is 245405230547. The reversal of 245405230543 is 345032504542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245405230543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245405230547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61626646 + ... + 61630627.

It is an arithmetic number, because the mean of its divisors is an integer number (33649235802).

Almost surely, 2^245405230543 is an apocalyptic number.

245405230543 is a deficient number, since it is larger than the sum of its proper divisors (23788655873).

245405230543 is a wasteful number, since it uses less digits than its factorization.

245405230543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123257465.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 245405230543 in words is "two hundred forty-five billion, four hundred five million, two hundred thirty thousand, five hundred forty-three".